Campaign button



FIG. 1 is a front elevational view of a campaign button showing my newdesign.

FIG. 2 is a side elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a cross sectional view taken along lines 5--5 on FIG. 1.

The broken line showing of indicia is for illustrative purposes only andforms no part of the claimed design.

The ornamental design for a campaign button, as shown and described.